Home / 26,802.45-40,173.03-12,742.53

Finding the Fourth Proportional to 26,802.45, 40,173.03 and 12,742.53

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Solution

The fourth proportional to 26,802.45, 40,173.03 and 12,742.53 is: 19,099.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,802.45 : 40,173.03 = 12,742.53 : x
  2. Step 2: Convert to fraction form
    26,802.45/40,173.03 = 12,742.53/x
  3. Step 3: Cross multiply
    26,802.45x = 40,173.03 × 12,742.53
  4. Step 4: Simplify right side
    26,802.45x = 511,906,039.97
  5. Step 5: Solve for x
    x = 511,906,039.97/26,802.45
  6. Step 6: Final answer
    x = 19,099.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.